graphlit-mcp-server

The server includes several functionalities that, if exposed to untrusted user input, could lead to severe vulnerabilities: 1. **Server-Side Request Forgery (SSRF):** The `ingestUrl` and `retrieveImages` tools directly accept a `url` parameter and perform `fetch(url)` or delegate to `client.ingestUri(url)`. An attacker could exploit this to make the server request arbitrary internal or external resources, potentially scanning internal networks, accessing sensitive local services, or bypassing firewall rules. 2. **Local File Inclusion (LFI):** The `ingestFile` tool accepts a `filePath` parameter and uses `fs.readFileSync(filePath)`. If an attacker can control this `filePath`, they could read any file on the server's filesystem that the Node.js process has permissions to access (e.g., `/etc/passwd`, `.env` files, SSH keys). 3. **Extensive Environment Variable Reliance:** Full functionality requires numerous environment variables for various third-party integrations (e.g., Slack, GitHub, Google, Twitter, Notion). Improper configuration or exposure of these secrets significantly increases the attack surface for account compromise. While the server's internal logic doesn't appear to contain explicit `eval` or intentional malicious code, the aforementioned input-driven vulnerabilities make it risky to run without robust input validation and strict isolation, especially when processing untrusted data.